Monday, June 29, 2009

Brooks, David. "Human Nature Today." NEW YORK TIMES June 25, 2009.

Evolutionary psychology has had a good run. But now there is growing pushback. Sharon Begley has a rollicking, if slightly overdrawn, takedown in the current Newsweek. And “Spent” is a sign that the theory is being used to try to explain more than it can bear. The first problem is that far from being preprogrammed with a series of hardwired mental modules, as the E.P. types assert, our brains are fluid and plastic. We’re learning that evolution can be a more rapid process than we thought. It doesn’t take hundreds of thousands of years to produce genetic alterations. Moreover, we’ve evolved to adapt to diverse environments. Different circumstances can selectively activate different genetic potentials. Individual behavior can vary wildly from one context to another. An arrogant bully on the playground may be meek in math class. People have kaleidoscopic thinking styles and use different cognitive strategies to solve the same sorts of problems. Evolutionary psychology leaves the impression that human nature was carved a hundred thousand years ago, and then history sort of stopped. But human nature adapts to the continual flow of information—adjusting to the ancient information contained in genes and the current information contained in today’s news in a continuous, idiosyncratic blend. The second problem is one evolutionary psychology shares with economics. It’s too individualistic: individuals are born with certain traits, which they seek to maximize in the struggle for survival. But individuals aren’t formed before they enter society. Individuals are created by social interaction. Our identities are formed by the particular rhythms of maternal attunement, by the shared webs of ideas, symbols and actions that vibrate through us second by second. Shopping isn’t merely a way to broadcast permanent, inborn traits. For some people, it’s also an activity of trying things on in the never-ending process of creating and discovering who they are. The allure of evolutionary psychology is that it organizes all behavior into one eternal theory, impervious to the serendipity of time and place. But there’s no escaping context. That’s worth remembering next time somebody tells you we are hardwired to do this or that. . . . Read the rest here: http://www.nytimes.com/2009/06/26/opinion/26brooks.html?_r=1.

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